TREA

Making gratings

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  • CPC
  • B21D47/005
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Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B21Mechanical metalworking B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING METAL B21D47/00Making rigid structural elements or units

Current Industry

B21D47/005Making gratings
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Stamped steel detectable warning tile and method of manufacture
    • Patent number 10,920,378
    • Issue date Feb 16, 2021
    • Tuf-Tite, Inc.
    • Theodore W. Meyers
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    System and method of making an expanded metal gutter cover having a...
    • Patent number 10,376,946
    • Issue date Aug 13, 2019
    • James E. Ealer
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method for manufacturing a three dimensional frame structure for us...
    • Patent number 8,220,155
    • Issue date Jul 17, 2012
    • Airbus Operations GmbH
    • Hans-Jürgen Weber
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Process for the manufacturing of a grid
    • Patent number 5,647,406
    • Issue date Jul 15, 1997
    • Manfred Pucher
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Process and apparatus for assembling the strips of a grille
    • Patent number 4,530,146
    • Issue date Jul 23, 1985
    • Cogema and Framatome
    • Bernard Vere
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Vapor-liquid contact grid
    • Patent number 4,427,606
    • Issue date Jan 24, 1984
    • Koch Engineering Company, Inc.
    • Gilbert K. Chen
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Method of fabricating vapor-liquid contact grid
    • Patent number 4,356,611
    • Issue date Nov 2, 1982
    • Koch Engineering Company, Inc.
    • Gilbert K. Chen
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Vapor-liquid contact grid apparatus
    • Patent number 4,276,242
    • Issue date Jun 30, 1981
    • Koch Engineering Company, Inc.
    • Gilbert K. Chen
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Grating
    • Patent number 3,943,675
    • Issue date Mar 16, 1976
    • Otto Wyss
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3889345
    • Patent number 3,889,345
    • Issue date Jun 17, 1975
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3540178
    • Patent number 3,540,178
    • Issue date Nov 17, 1970
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3455005
    • Patent number 3,455,005
    • Issue date Jul 15, 1969
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3431619
    • Patent number 3,431,619
    • Issue date Mar 11, 1969
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3427701
    • Patent number 3,427,701
    • Issue date Feb 18, 1969
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3378979
    • Patent number 3,378,979
    • Issue date Apr 23, 1968
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    3253378
    • Patent number 3,253,378
    • Issue date May 31, 1966
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    3181440
    • Patent number 3,181,440
    • Issue date May 4, 1965
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2854104
    • Patent number 2,854,104
    • Issue date Sep 30, 1958
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    2609781
    • Patent number 2,609,781
    • Issue date Sep 9, 1952
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2420112
    • Patent number 2,420,112
    • Issue date May 6, 1947
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2335181
    • Patent number 2,335,181
    • Issue date Nov 23, 1943
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2145073
    • Patent number 2,145,073
    • Issue date Jan 24, 1939
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2144528
    • Patent number 2,144,528
    • Issue date Jan 17, 1939
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2047905
    • Patent number 2,047,905
    • Issue date Jul 14, 1936
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    2031779
    • Patent number 2,031,779
    • Issue date Feb 25, 1936
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1988118
    • Patent number 1,988,118
    • Issue date Jan 15, 1935
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1983412
    • Patent number 1,983,412
    • Issue date Dec 4, 1934
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1977299
    • Patent number 1,977,299
    • Issue date Oct 16, 1934
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1937486
    • Patent number 1,937,486
    • Issue date Nov 28, 1933
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    1676366
    • Patent number 1,676,366
    • Issue date Jul 10, 1928
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents